804 HVAC contractors ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
Best overall in Mercerville-Hamilton Square: Indoor Air Technologies, CR Score 65/100; 4.9★ from 1,305 Google reviews; open 24/7.
Best for emergencies (open 24/7): Princeton Air Conditioning, posts 24/7 hours; ranked #2 of 804.
Most-reviewed: Arctic Air Conditioning, 9,474 Google reviews at 4.9★, the most of 804 ranked; ranked #3.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
804 Mercerville-Hamilton Square HVAC contractors are ranked here by CR Score, from ten published factors. 275 are open 24/7, 560 open Saturdays and 396 open Sundays, based on posted hours. The median Google rating is 4.9★ across 804 rated businesses.
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Indoor Air Technologies | 65 | 4.9★ (1,305) | Mercerville, 3 mi away | 24/7 | Overall |
| 2 | Princeton Air Conditioning | 64 | 4.7★ (2,172) | Princeton, 5 mi away | 24/7 | Emergencies |
| 3 | Arctic Air Conditioning | 63 | 4.9★ (9,474) | Old Bridge, 19 mi away | 24/7 | Most reviews |
| 4 | McHales Inc. | 63 | 4.8★ (3,126) | Levittown, 12 mi away | 24/7 | — |
| 5 | Perfect Air, Inc. | 63 | 5.0★ (237) | Mercerville, 3 mi away | 24/7 | — |
| 6 | Service First Heating & Air Conditioning | 63 | 5.0★ (1,218) | Richboro, 14 mi away | 24/7 | — |
| 7 | ECI Comfort | 62 | 4.9★ (1,147) | Richboro, 15 mi away | 24/7 | — |
| 8 | Fras-Air Service Experts | 62 | 4.9★ (3,876) | Bridgewater, 21 mi away | 24/7 | — |
| 9 | Elite Air | 62 | 4.6★ (436) | Mercerville, 3 mi away | 24/7 | — |
| 10 | Christian Heating, Cooling, Plumbing and Electrical | 61 | 4.8★ (3,972) | Hatboro, 20 mi away | 24/7 | — |
Ordered by CR Score, a 0–100 score from ten published factors. Paid placement never changes the order.
Scores below: based on 8 of 10 factors; credentials and recency not yet collected. Hatched segments mark factors we don't have yet.
Ranked #1 because of its Google rating and trade focus: 4.9★ from 1,305 Google reviews, listed on Google as “HVAC contractor”.
Based in Princeton, 5 mi away
Ranked #2 because of its Google rating and trade focus: 4.7★ from 2,172 Google reviews, listed on Google as “Heating contractor”.
Based in Old Bridge, 19 mi away
Ranked #3 because of its Google rating and review volume: 4.9★ from 9,474 Google reviews, the most in Mercerville-Hamilton Square.
Based in Levittown, 12 mi away
Ranked #4 because of its Google rating and trade focus: 4.8★ from 3,126 Google reviews, listed on Google as “HVAC contractor”.
Based in Mercerville, 3 mi away
Ranked #5 because of its Google rating and trade focus: 5.0★ from 237 Google reviews, listed on Google as “HVAC contractor”.
Based in Richboro, 14 mi away
Ranked #6 because of its Google rating and trade focus: 5.0★ from 1,218 Google reviews, listed on Google as “HVAC contractor”.
Based in Richboro, 15 mi away
Ranked #7 because of its Google rating and trade focus: 4.9★ from 1,147 Google reviews, listed on Google as “HVAC contractor”.
Based in Bridgewater, 21 mi away
Ranked #8 because of its Google rating and trade focus: 4.9★ from 3,876 Google reviews, listed on Google as “HVAC contractor”.
Based in Mercerville, 3 mi away
Ranked #9 because of its Google rating and trade focus: 4.6★ from 436 Google reviews, listed on Google as “Air conditioning repair service”.
Based in Hatboro, 20 mi away
Ranked #10 because of its Google rating and trade focus: 4.8★ from 3,972 Google reviews, listed on Google as “HVAC contractor”.
Based in Mercerville, 3 mi away
Ranked #11 because of its Google rating and trade focus: 4.9★ from 129 Google reviews, listed on Google as “HVAC contractor”.
Based in Hatboro, 20 mi away
Ranked #12 because of its Google rating and trade focus: 4.9★ from 2,538 Google reviews, listed on Google as “HVAC contractor”.
Based in Trenton, 4 mi away
Ranked #13 because of its Google rating and trade focus: 5.0★ from 241 Google reviews, listed on Google as “HVAC contractor”.
Based in Pennsauken, 11 mi away
Ranked #14 because of its Google rating and trade focus: 4.8★ from 2,101 Google reviews, listed on Google as “HVAC contractor”.
Based in Willingboro, 18 mi away
Ranked #15 because of its Google rating and trade focus: 4.8★ from 1,956 Google reviews, listed on Google as “HVAC contractor”.
Based in Trenton, 2 mi away
Ranked #16 because of its Google rating and review volume: 5.0★ from 722 Google reviews.
Based in Levittown, 8 mi away
Ranked #17 because of its Google rating and trade focus: 5.0★ from 459 Google reviews, listed on Google as “HVAC contractor”.
Based in Croydon, 16 mi away
Ranked #18 because of its Google rating and trade focus: 4.9★ from 739 Google reviews, listed on Google as “HVAC contractor”.
Based in Mercerville, 4 mi away
Ranked #19 because of its Google rating and trade focus: 5.0★ from 562 Google reviews, listed on Google as “HVAC contractor”.
Based in Mercerville, 1 mi away
Ranked #20 because of its Google rating and trade focus: 4.9★ from 60 Google reviews, listed on Google as “HVAC contractor”.
Based in Somerset, 22 mi away
Ranked #21 because of its Google rating and trade focus: 4.8★ from 3,574 Google reviews, listed on Google as “HVAC contractor”.
Based in Mercerville, 3 mi away
Ranked #22 because of its Google rating and trade focus: 4.9★ from 230 Google reviews, listed on Google as “HVAC contractor”.
Based in Croydon, 15 mi away
Ranked #23 because of its Google rating and trade focus: 4.9★ from 580 Google reviews, listed on Google as “HVAC contractor”.
Based in Maple Shade, 21 mi away
Ranked #24 because of its Google rating and trade focus: 4.9★ from 1,394 Google reviews, listed on Google as “HVAC contractor”.
Based in East Brunswick, 17 mi away
Ranked #25 because of its Google rating and trade focus: 4.9★ from 637 Google reviews, listed on Google as “HVAC contractor”.
#1 to #25 are shown in full above. Here are #26 to #50, in CR Score order; each links to its profile. We publish the top 50 of 804 ranked HVAC contractors here; the rest are on their profiles.
20 more HVAC contractors within 25 mi that we can't rank yet: too few reviews, or a trade we couldn't confirm. Listed A to Z.
| Business | Google rating | Distance |
|---|---|---|
| Air Management Heating & Air Conditioning | 4.8★ (173) | 15 mi |
| Amperio Heating & Cooling | 5.0★ (2) | 2 mi |
| Apex Air Duct Cleaning & Chimney Services | 4.0★ (2) | 13 mi |
| B & G Heating & Cooling Inc. | 5.0★ (2) | 11 mi |
| Binsky Home Service | 4.9★ (71) | 11 mi |
| CMS Refrigeration, Inc | 5.0★ (2) | 12 mi |
| Cranbury Comfort Systems | 4.8★ (71) | 10 mi |
| Crystal Breeze | 5.0★ (2) | 11 mi |
| Fivestars heatingandcooling | 5.0★ (2) | 11 mi |
| Ideal Plumbing & Heating LLC | 5.0★ (2) | 11 mi |
| KF HVAC Systems Llc. | 5.0★ (2) | 11 mi |
| PDM Group | 5.0★ (2) | 11 mi |
| Precision Tech Home Services | 4.8★ (403) | 20 mi |
| Pro Plumber Plumbing, Heating & Air Conditioning | 5.0★ (60) | 11 mi |
| RJ Jersey Plumbing and Heating | 5.0★ (2) | 11 mi |
| Robert Schmitz & Sons Plumbing & Heating | 5.0★ (2) | 11 mi |
| Temperature Masters | 4.8★ (376) | 19 mi |
| The HVAC Elite LLC | 5.0★ (2) | 11 mi |
| TMP Mechanical Systems Inc | 5.0★ (2) | 4 mi |
| W V Stewart & Son | 5.0★ (2) | 1 mi |
National price ranges in USD, not adjusted for Mercerville-Hamilton Square. Each row names its basis and the month we checked it.
| Job | Low | Typical | High | Basis | Checked |
|---|---|---|---|---|---|
| AC replacement | $3,887 | $5,978 | $8,073 | Per system, installed (unit plus labor); typical range of customer-reported jobs. US national range | October 2026 |
| Furnace replacement | $2,823 | $4,814 | $6,896 | Per system, installed; typical range of customer-reported jobs. US national range | October 2026 |
In New Jersey, New Jersey State Board of Examiners of HVACR Contractors licenses Heating, ventilation, air conditioning and refrigeration work.
No chip usually means we have not matched a state record yet. Check the lookup yourself before you hire.
Guide checked October 2026. How we verify licenses
HVAC demand peaks in summer for cooling and in winter for heating. Spring and fall are the easiest times to book maintenance or a replacement.
We scored 804 Mercerville-Hamilton Square HVAC contractors on ten factors, weighted as shown. A business is ranked when its trade is confirmed and it has 3 or more Google reviews or a claimed profile. A business with no Google reviews scores zero on rating, review volume and recency. Other unknown factors are left out, not counted as zero. Scores last refreshed October 22, 2026.
Paid placement never changes a rank or score. Featured businesses are paid, labelled, limited to 3 and shown above the ranking, outside it.
| Factor | Weight | Computed from | In Mercerville-Hamilton Square data |
|---|---|---|---|
| Reputation | 25% | Google star rating, adjusted for how many reviews back it | Measured |
| Credentials | 15% | Active state license, bond and workers’ comp on file | Not yet collected |
| Review volume | 10% | Number of Google reviews, compared with the most-reviewed business on the list | Measured |
| Recency | 5% | Share of reviews from the last 12 months | Not yet collected |
| Availability | 5% | Weekly open hours, Saturday, Sunday, 24/7 or same-day | Measured |
| Trade focus | 10% | How clearly the business does this trade (its Google category and name) | Measured |
| Proximity | 5% | Based in the city scores highest, less the farther away it is | Measured |
| Claimed profile | 10% | The business has claimed its ContractorsRanked profile (free or paid earn the same) | Measured |
| Partnered | 5% | The business links to ContractorsRanked from its own website with our badge, checked periodically | Measured |
| ContractorsRanked reviews | 10% | Verified customer reviews collected by ContractorsRanked: their rating and how many there are | Measured |